package cn.hackcloud.mutithread.juc;

import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.TimeUnit;

/**
 *收集7颗龙珠召唤神龙
 */
public class CyclicBarrierDemo {
    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> {
            System.out.println("***********召唤神龙");
        });
        for (int i = 1; i <= 7; i++) {
            final int temp = i;
            try {
                TimeUnit.SECONDS.sleep(5);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "\t 收集到第：" + temp + "颗龙珠！");
                try {
                    cyclicBarrier.await();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }, String.valueOf(i)).start();
        }
    }
}
